OLUWAFERANMI ADENIJI

Senior Software Engineer

LinkedIn | Github

About

Senior Software Engineer with over 7 years of experience specializing in high-impact React/TypeScript development for financial technology and content platforms. Proven expertise in architecting complex financial workflows, real-time systems, and regulatory-compliant solutions, including fintech applications processing over $20M monthly for millions of users. A dedicated open-source contributor with 8,000+ downloads, I am passionate about crafting secure, scalable, and intuitive user experiences that consistently balance performance, accessibility, and cutting-edge design.

Work Experience

Senior Software Engineer

Moniepoint Inc

May 2023 - May 2024

London, United Kingdom

Spearheaded large-scale frontend and product engineering initiatives for a leading fintech platform, driving design system architecture, performance optimization, and complex financial product development.

  • Architected the Kamona enterprise design system, delivering 70+ production-ready React components and serving 10M+ users across multiple product teams while ensuring consistency and accessibility standards.
  • Drove a 60% acceleration in development velocity across engineering teams by building a sophisticated component library with advanced patterns, including compound components and slot-based styling.
  • Led micro-frontends architecture transformation, reducing build times by 84% (from 50 to 3.4 minutes) through Module Federation and intelligent code splitting strategies.
  • Optimized React applications, achieving a 40% improvement in Core Web Vitals scores through advanced performance techniques like lazy loading and memoization.
  • Architected a complete refactor of the critical Working Capital Loan entry point, reducing load times by 83% (12.3s to 2.1s) and error rates by 96% (23% to 0.8%) for $1B+ annual loan processing, serving 1M+ customers.
  • Implemented enterprise-grade state machine architecture with Circuit Breaker pattern, preventing $23M annually in lost transactions and reducing customer support tickets by 95%.
  • Developed advanced multi-step loan application workflows with real-time validation and intelligent form progression, reducing user drop-off rates by 35%.
  • Coordinated technical initiatives across multiple product teams, establishing frontend development standards and mentoring engineers on React best practices and TypeScript.
  • Led the Working capital Loans frontend engineering team to build the Moniepoint V2 Loans Web App with React, Typescript, Vite.

Senior Software Engineer

AJOCARD

Dec 2021 - Apr 2023

Lagos, Nigeria

Led backend and API development for a fintech platform, enhancing transaction processing and ensuring high availability.

  • Designed a high-availability API gateway, handling over 150K daily transactions with 99.8% uptime and improving fund transfer processing speed by 40% using Go microservices.
  • Built an interbank transfer service, processing $500,000+ monthly volume with real-time settlement capabilities and automated reconciliation.
  • Monitored backend events using Grafana, ensuring 99.9% SLA compliance and resolving issues within an average of 30 minutes.
  • Developed a health insurance platform, serving 600K+ users and reducing automated claims processing approval time by 65%.
  • Implemented USSD service infrastructure with Africastalking APIs, reducing user onboarding time from 6 minutes to 25 seconds (89% improvement).
  • Built offline-enabled financial services, maintaining 95% functionality during network disruptions in underserved regions.
  • Implemented CBN regulatory compliance features including KYC verification workflows, audit trails, and documentation management for loan origination processes.

Software Engineer

Kickgame

Aug 2021 - Feb 2022

London, United Kingdom

Developed e-commerce platforms with a focus on rich content editing, offline capabilities, and internationalization.

  • Developed a customizable WYSIWYG rich text editor with React and Node.js, featuring collaborative editing, markdown support, and real-time content preview for content creation platforms.
  • Developed a robust offline Cart management system using React and Next.js, ensuring seamless shopping experiences during network interruptions.
  • Implemented multi-language support and localization features, creating a scalable framework for cross-border e-commerce platforms.

Software Engineer

Moneymie

Jan 2020 - Aug 2021

Texas, US

Engineered secure authentication, real-time dashboards, and high-performance UI components for a financial application.

  • Designed an intuitive, secure authentication interface with role-based access controls, simplifying complex permission management for admin users.
  • Developed a responsive, real-time admin dashboard using React that enabled seamless transaction monitoring and anomaly detection.
  • Created a runtime-based configuration management platform, allowing instant feature toggling across multiple application environments without redeployments.
  • Implemented high-performance UI components that handled complex financial data visualization with minimal render overhead.

Frontend Engineer

QuickSell

Aug 2016 - Dec 2019

India

Built customer-facing e-commerce platforms and integrated payment solutions, enhancing user experience and transaction success.

  • Developed and launched a customer-facing e-commerce platform utilizing React and Node.js, successfully serving over 80,000 monthly active users.
  • Integrated multiple payment gateways, including Paystack, Flutterwave, and Stripe, achieving a robust 99.4% transaction success rate and enhancing user conversion.
  • Optimized frontend performance and user experience across the platform, contributing to high user engagement and retention.
  • Collaborated with cross-functional teams to define and implement new features, ensuring alignment with business goals and user needs.

Education

Digital Transformation

Nexford University

Jan 2023 - Dec 2024

Washington, D.C., District of Columbia, US

Computer Science

Ladoke Akintola University of Technology

Jan 2016 - Dec 2019

Ogbomoso, Oyo State, NG

Projects

Developer Advocacy & Open Source Contributions

Jan 2016 - Present

Actively engaged in fostering knowledge sharing and community development within the frontend ecosystem through various initiatives.

Connectic (Open Source Contribution)

Jan 2020 - May 2024

Authored Connectic, a sophisticated TypeScript library designed to solve critical communication challenges in microfrontend architectures, evolving into a production-ready, open-source solution with over 3,000+ NPM downloads.

Monie Utils (Open Source Contribution)

Jan 2019 - May 2024

Architected and developed Monie Utils, a production-ready, comprehensive TypeScript library addressing critical money-related computational challenges in fintech applications across Nigeria and beyond, with over 5,000+ NPM downloads.

BuffByteAI

Jan 2022 - Dec 2023

Built a comprehensive AI-powered content optimization platform serving 100+ active creators with real-time content analysis, trend discovery, and professional teleprompter features, leveraging React, TypeScript, GraphQL, and NodeJS.

MARTECH3D 3D Content Platform

Jan 2021 - Dec 2022

Architected an immersive 3D web platform for virtual showrooms, combining 2D UI overlays with 3D environments, achieving 60fps desktop and 30fps mobile performance, utilizing React, Babylon.js, TypeScript, PWA, and Rich Text Editors.

Languages

English

Skills

UI/UX & Design Systems

  • Design Systems
  • Component Architecture
  • Responsive Design
  • Accessibility (WCAG)
  • Interactive Interfaces
  • User Experience Design
  • Product Thinking

Infrastructure & DevOps

  • Google Cloud Platform
  • Docker
  • Jenkins
  • CI/CD
  • Performance Optimization
  • Monorepos

Technical & Professional Skills

  • Technical Writing
  • Communication
  • Teamwork
  • Creativity
  • Code Ownership
  • Agile Methodology
  • AI Integration (Claude API)
  • Content Creation Tools
  • Social Media Platforms
  • PWA Development
  • State Management
  • Radix UI
  • Playwright

Backend Development

  • Node.js/Express
  • RESTful APIs
  • GraphQL
  • Real-time Systems
  • Java
  • Golang
  • PHP/LARAVEL

Frontend Development

  • React
  • TypeScript
  • Angular
  • Vue
  • Nextjs
  • Redux / Redux Toolkit
  • RxJS
  • NodeJS
  • GraphQL
  • Microfrontends
  • Web Components
  • HTML
  • CSS
  • Javascript
  • Tailwind
  • Shadcn / Radix / Chakra UI/ Antd